package com.sunb2b.dao;

import java.util.Date;
import java.util.List;
import org.hibernate.LockMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.sunb2b.entity.*;

import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 * A data access object (DAO) providing persistence and search support for
 * ViewCount entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.sunb2b.entity.ViewCount
 * @author MyEclipse Persistence Tools
 */

public class ViewCountDAO extends HibernateDaoSupport {
	private static final Logger log = LoggerFactory
			.getLogger(ViewCountDAO.class);
	// property constants
	public static final String MODULE = "module";
	public static final String ENTITY_ID = "entityId";
	public static final String COUNT = "count";

	protected void initDao() {
		// do nothing
	}
	
	public ViewCount view(int entityId, String module){
		List list = getHibernateTemplate().find("from ViewCount vc where vc.entityId=" + entityId + " and module='" + module + "'");
		ViewCount vc = null;
		if(list!=null&&list.size()!=0){
			vc = (ViewCount) list.get(0);
			vc.setCount(vc.getCount()+1);
		}
		else{
			vc = new ViewCount();
			vc.setEntityId(entityId);
			vc.setModule(module);
			vc.setCount(1);
			vc.setLastDate(new Date());
		}
		vc.setLastDate(new Date());
		save(vc);
		return vc;
	}
	
	public void save(ViewCount transientInstance) {
		log.debug("saving ViewCount instance");
		try {
			getHibernateTemplate().saveOrUpdate(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(ViewCount persistentInstance) {
		log.debug("deleting ViewCount instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public ViewCount findById(java.lang.Integer id) {
		log.debug("getting ViewCount instance with id: " + id);
		try {
			ViewCount instance = (ViewCount) getHibernateTemplate().get(
					"com.sunb2b.entity.ViewCount", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(ViewCount instance) {
		log.debug("finding ViewCount instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding ViewCount instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from ViewCount as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByModule(Object module) {
		return findByProperty(MODULE, module);
	}

	public List findByEntityId(Object entityId) {
		return findByProperty(ENTITY_ID, entityId);
	}

	public List findByCount(Object count) {
		return findByProperty(COUNT, count);
	}

	public List findAll() {
		log.debug("finding all ViewCount instances");
		try {
			String queryString = "from ViewCount";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public ViewCount merge(ViewCount detachedInstance) {
		log.debug("merging ViewCount instance");
		try {
			ViewCount result = (ViewCount) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(ViewCount instance) {
		log.debug("attaching dirty ViewCount instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(ViewCount instance) {
		log.debug("attaching clean ViewCount instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ViewCountDAO getFromApplicationContext(ApplicationContext ctx) {
		return (ViewCountDAO) ctx.getBean("ViewCountDAO");
	}
}